What is React JS and why should you learn it in 2021 ?

 Hi everyone, Today I am going to tell you  about what is react js and why should you learn it in 2021 ?,

So let's start

What is React JS ?

React JS  is a popular Javascript  framework  developed by Jordan Walke and is  used for creating apps , user interfaces and single page applications .You might be wondering what  are single page applications  ?  Let me explain

Single Page applications

A single page application is an application  that loads an html page and all the necessary assets such as (Javascript and CSS) required for the application to run. Any interactions with the page or subsequent pages do not require a round trip to the server which means the page is not reloaded . 

Why should you learn React JS in 2021 ?

There are many reasons you should learn React in 2021 . Some of them are 

    1 . React JS is one of the most demanded and popular frameworks in the market . 31.3% of        worldwide specialists are currently using this technology .

      2 . Some of the world's top tech companies use React js . Ex: Netflix, Airbnb, Paypal , Facebook,                Uber ,Youtube , Telegram and more companies use React js 

      3 . React is used for creating web apps , single page applications and user interfaces .

      4. React js developers are also highly demanded in the job market . The salary of a React js   developer in India as a fresher is  Rs 7,33,000            

               Thank you






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